MarkdownIntakeProcess/ShinyAceMarkdown_InputRscript.R at master · kdgosik/MarkdownIntakeProcess · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
library(shiny)
library(shinyAce)
library(shinydashboard)
library(knitr)

shinyApp(

shinyUI(

  bootstrapPage(

    fluidRow(

      column(width = 2,
             box(width = 12,
                 numericInput("num1", "Select rnorm number", value = 5, min = 1, max = 100),
                 selectInput("modular", "Select Modualr", choices = dir("Modulars", pattern = ".R"))

                 ) # box
             ), # column

      column(width = 5,

             box(width = 12,

              h2("Source R-Markdown"),
              uiOutput("ace_ui"),
#               aceEditor("rmd", mode = "markdown",
#                               value = '### Sample knitr Doc
#
# This is some markdown text. It may also have embedded R code
# which will be executed.
#
# ```{r}
# 2*3
# rnorm(5)
# ```
#
# It can even include graphical elements.
#
# ``{r}
# hist(rnorm(100))
# ```
#
# '),

              actionButton("eval", "Update")

              ) # box

              ), # column

      column(width = 5,

             box(width = 12,

              h2("Knitted Output"),
              htmlOutput("knitDoc")

             ) # box
          ) # column
      ) # fluidRow
  ) # bootsrapPage
),


shinyServer(function(input, output, session) {

  output$ace_ui <- renderUI({
    num_inpt <- input$num1

    val <- paste('### Sample knitr Doc
This is some markdown text. It may also have embedded R code
which will be executed.

```{r}
2*3
rnorm(', num_inpt, ')
```')

    aceEditor("rmd", mode = "markdown", value = val)

  })

  output$knitDoc <- renderUI({

    input$eval

    return(
      isolate(
        HTML(
          knit2html(text = input$rmd, fragment.only = TRUE, quiet = TRUE)
          )
        )
      )

  })

})

)